A27H安全閥A27W安全閥型號(hào)廠家安全閥在系統(tǒng)中起安全保護(hù)作用。當(dāng)系統(tǒng)壓力過(guò)規(guī)定值時(shí)，安全閥打開(kāi)，將系統(tǒng)中的一部分氣體/流體排入大氣/管道外，使系統(tǒng)壓力不過(guò)允許值，從而保證系統(tǒng)不因壓力過(guò)高而發(fā)生事故。

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